DE2602252C2 - Herzschrittmacherschaltung mit ausgangsseitiger Schutzschaltung - Google Patents

Herzschrittmacherschaltung mit ausgangsseitiger Schutzschaltung

Info

Publication number
DE2602252C2
DE2602252C2 DE19762602252 DE2602252A DE2602252C2 DE 2602252 C2 DE2602252 C2 DE 2602252C2 DE 19762602252 DE19762602252 DE 19762602252 DE 2602252 A DE2602252 A DE 2602252A DE 2602252 C2 DE2602252 C2 DE 2602252C2
Authority
DE
Germany
Prior art keywords
output
transistor
pacemaker
circuit
capacitor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19762602252
Other languages
German (de)
English (en)
Other versions
DE2602252A1 (de
Inventor
Joseph A. Roseville Minn. Ballis
David L. Frideley Minn. Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medtronic Inc
Original Assignee
Medtronic Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/543,978 external-priority patent/US3968802A/en
Priority claimed from US05/633,561 external-priority patent/US4038990A/en
Application filed by Medtronic Inc filed Critical Medtronic Inc
Publication of DE2602252A1 publication Critical patent/DE2602252A1/de
Application granted granted Critical
Publication of DE2602252C2 publication Critical patent/DE2602252C2/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators
    • A61N1/3925—Monitoring; Protecting
    • A61N1/3931—Protecting, e.g. back-up systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A61N1/3718—Monitoring of or protection against external electromagnetic fields or currents

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
DE19762602252 1975-01-24 1976-01-22 Herzschrittmacherschaltung mit ausgangsseitiger Schutzschaltung Expired DE2602252C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/543,978 US3968802A (en) 1975-01-24 1975-01-24 Cautery protection circuit for a heart pacemaker
US05/633,561 US4038990A (en) 1975-11-19 1975-11-19 Cautery protection circuit for a heart pacemaker

Publications (2)

Publication Number Publication Date
DE2602252A1 DE2602252A1 (de) 1976-07-29
DE2602252C2 true DE2602252C2 (de) 1985-07-25

Family

ID=27067473

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762602252 Expired DE2602252C2 (de) 1975-01-24 1976-01-22 Herzschrittmacherschaltung mit ausgangsseitiger Schutzschaltung

Country Status (8)

Country Link
AR (1) AR214174A1 (es)
BR (1) BR7600372A (es)
DE (1) DE2602252C2 (es)
FR (1) FR2298909A1 (es)
GB (1) GB1541501A (es)
NL (1) NL7600529A (es)
PL (1) PL113834B1 (es)
SE (1) SE419943B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437464A (en) * 1981-11-09 1984-03-20 C.R. Bard, Inc. Electrosurgical generator safety apparatus
US4614192A (en) 1982-04-21 1986-09-30 Mieczyslaw Mirowski Implantable cardiac defibrillator employing bipolar sensing and telemetry means
DE3321051A1 (de) * 1983-06-07 1984-12-13 Biotronik Meß- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin, 1000 Berlin Schutzschaltung fuer herzschrittmacher
US4745923A (en) * 1985-11-20 1988-05-24 Intermedics, Inc. Protection apparatus for patient-implantable device
US4796630A (en) * 1987-03-23 1989-01-10 Telectronics N.V. Cardiac pacemaker with combined defibrillation and electrosurgery protection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK131761C (da) * 1970-12-22 1976-02-09 Rovsing As Christian Pacemaker
US3726285A (en) * 1971-04-26 1973-04-10 Gen Electric Body organ stimulus pulse generator with decoupled timing circuit and voltage multiplier
US3757791A (en) * 1971-12-30 1973-09-11 American Optical Corp Synchronized atrial and ventricular pacer and timing circuitry therefor
GB1350016A (en) * 1972-02-28 1974-04-18 American Hospital Supply Corp Cardiac pacer device apparatus and method of testing thereof

Also Published As

Publication number Publication date
PL113834B1 (en) 1981-01-31
BR7600372A (pt) 1976-08-31
AR214174A1 (es) 1979-05-15
GB1541501A (en) 1979-03-07
SE419943B (sv) 1981-09-07
FR2298909A1 (fr) 1976-08-20
SE7600693L (sv) 1976-07-25
FR2298909B1 (es) 1981-05-08
DE2602252A1 (de) 1976-07-29
NL7600529A (nl) 1976-07-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H.,DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN